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[热点] 球磨粉体时遇到了大的问题，请指教！ 6sbiam 2026-02-14 刚刚
苯胺为亲核试剂，端点环氧化合物的选择性开环 2 (6/199) 2002g110326 2007-09-29 2007-09-30 22:21:30 by chemozhang
帮我下载一个东西!(求助成功) (1/72) trixaypm 2007-09-30 2007-09-30 21:31:32 by kaikaifeng
[求助结束]网页打开的时候慢的跟蜗牛似的    ( 1 2 ) 3 (11/401) 风声 2007-09-30 2007-09-30 19:18:29 by 王孝仕
求助于卷材涂料方面的专著 6 (4/136) zhangshenghuo 2007-09-29 2007-09-30 17:50:03 by zhangshenghuo
有关气质连用的问题！ 1 (2/120) liuzggg 2007-09-30 2007-09-30 17:19:52 by liuzggg
哪位高手有免费在线看清晰度高的电影的网址。谢谢啊 (1/84) szr000 2007-09-30 2007-09-30 17:18:12 by send1209
出售yahoo.cn邮箱邀请一个！40金币（已经卖了） 1 (7/236) jlu582 2007-09-05 2007-09-30 17:11:31 by lanqi
求2007国家公务员职位表打包（找到） 5 (0/112) mabaolin 2007-09-30 2007-09-30 16:24:20 by mabaolin
报考浙江大学博士学费和补助是多少？要读几年？ (4/219) coolcj 2007-09-30 2007-09-30 16:23:23 by kevlar
求助气相色谱分析方法，帮忙啊！！ 2 (7/194) 19770918 2007-09-27 2007-09-30 13:58:56 by sion2008
[关贴]求助 5 (评阅-2) (0/69) fanaili_1981 2007-09-30 2007-09-30 13:45:27 by fanaili_1981
求胎教英语！ 1 (4/153) dingdingxy 2007-09-24 2007-09-30 11:37:39 by kaikaifeng
msn无法登陆 2 (3/260) alice-by 2007-09-30 2007-09-30 11:17:37 by alice-by
跪求以下几道题的答案 10 (2/220) 小木虫迷 2007-09-30 2007-09-30 10:49:56 by leonumn
纳米碳黑的Xps怎么分析啊？ 1 (1/248) wdashuai2001 2007-09-28 2007-09-30 10:24:44 by maqin909
如何快速鉴别苯乙酮和苯乙醇？ (7/380) coolto 2007-09-27 2007-09-30 10:16:15 by mooncakexzj
[size=6]origin使用问题！谢谢啊！[/size] 1 (4/155) shixinliang517 2007-09-29 2007-09-30 08:46:18 by shixinliang517
硫酸镁热解制氧化镁新工艺    ( 1 2 ) (12/166) 19770918 2007-09-26 2007-09-30 07:52:22 by mooncakexzj
求助下载一本书!(求助成功) (5/108) trixaypm 2007-09-29 2007-09-29 23:32:28 by 风声
求助：购买孕酮（黄体酮）试剂盒，急需帮助 ！ 9 (3/115) 霜叶 2007-09-29 2007-09-29 22:49:47 by heather_red3333
pH 9.5 的缓冲溶液怎么配？ 2 (4/86) pilgrimyi 2007-09-29 2007-09-29 21:19:23 by mooncakexzj
pH8.5,9.5,10.5的磷酸缓冲溶液怎么配？    ( 1 2 ) 3 (10/641) pilgrimyi 2007-09-28 2007-09-29 20:51:54 by mooncakexzj
如何解决Zetaphoremeter-III测样品不准的问题? (1/69) renh 2007-09-28 2007-09-29 18:54:22 by clwyth
急求树枝状聚合物减压共沸蒸馏纯化问题？ 3 (7/200) jianmei97 2007-09-29 2007-09-29 18:10:28 by jiesly312
求助：摩尔消光系数 (7/443) lot2006 2007-09-28 2007-09-29 18:09:25 by leonumn
(sucessful,please cancel it,Thank you )求助醛的氧化？ (4/352) wangyanweishe 2007-09-28 2007-09-29 18:08:38 by lvyongjun
！！！陶瓷绝缘性能的影响因素有哪些？？？ (4/1000) shaohaibin 2007-09-24 2007-09-29 17:01:27 by tfcy
u盘问题 (2/72) 蓝蓝天空 2007-09-10 2007-09-29 16:59:53 by carsonwen
求助：水玻璃与砂复合材料的制备相关的论文 2 (2/99) wyw8283 2007-09-29 2007-09-29 16:51:58 by tfcy
肉桂醛容易氧化么？ 2 (4/137) honeyzhang 2007-09-28 2007-09-29 16:29:43 by mooncakexzj
【放弃求助】求卡通图 5 (6/123) supersearcher 2007-09-29 2007-09-29 16:26:59 by chemicalsub
想要一个卡巴斯基KEY (7/167) zz122753617 2007-09-28 2007-09-29 16:22:22 by magnolia24
有机实验问题！急！！！ (3/134) sinevil 2007-09-29 2007-09-29 16:07:11 by chemicalsub
求助“对羟基苯磺酸钠的定量分析方法“ 10 (3/115) jeannie.ni 2007-09-28 2007-09-29 15:56:16 by supermmkk
请教FPLC的问题 1 (0/69) zjm022243 2007-09-29 2007-09-29 15:56:03 by zjm022243
食品级机油（润滑油） 4 (1/56) 五月花 2007-09-29 2007-09-29 15:55:35 by manscofield
也找到原因，谢谢！ (5/303) rainbow521 2007-09-29 2007-09-29 15:44:24 by mooncakexzj
求助一下梅里埃公司在南京的代理 2 (0/52) r--baggio 2007-09-29 2007-09-29 15:11:22 by r--baggio
三氯甲烷和四氯甲烷互溶吗？！ (7/126) sinevil 2007-09-29 2007-09-29 14:37:40 by sinevil
请wanty521来领金币 (1/69) acs2007 2007-09-28 2007-09-29 13:38:44 by wanty521
调研求助 2 (1/110) 北欧海盗 2007-09-28 2007-09-29 13:24:48 by 舒馨
求氯化钠、氯化铯和硫化锌的晶体结构示意图[自己画图搞定] 47 (3/1330) duoxin 2007-09-29 2007-09-29 13:22:06 by 007wanglia
[关贴]请问大家 (4/137) zhaomei2007 2007-09-28 2007-09-29 13:03:44 by leonumn
Smart Materials and Structures 中文叫什么 怎么翻译的    ( 1 2 ) 1 (10/316) dashan_612 2007-09-27 2007-09-29 12:49:19 by zhaomei2007
十一购买数码相机，有识之士帮忙参谋一下噢 (0/42) lilywendy 2007-09-29 2007-09-29 10:29:41 by lilywendy
求一的文献管理软件！--可以多重分类管理 2 (4/196) 江南豪情 2007-07-05 2007-09-29 09:25:40 by clwyth
厦门大学的研究生进来！ 1 (4/173) 51555 2007-09-28 2007-09-29 09:22:56 by 51555
求新东方FLASH专用播放器ZzFlash1.7特别版 (3/282) 土豆手套 2007-09-28 2007-09-29 08:46:50 by slangrit
哪里有骨水泥原料磷酸四钙（TTCP）买？ (1/113) wyw8283 2007-09-24 2007-09-29 04:30:13 by reasonspare
帮忙回答两个英文问题？ (5/125) mabaolin 2007-09-28 2007-09-28 22:18:25 by mabaolin
求助一篇英文作文 (7/237) lililong0 2007-09-28 2007-09-28 22:02:27 by lililong0
请从读秀和超星找几本书的目录。 35 (3/297) mystar 2007-09-28 2007-09-28 21:43:36 by 风声
求最新的公务员辅导班教材！ 50 (4/183) 努力着 2007-09-27 2007-09-28 19:45:24 by wangzewen
求教一个模量的单位 (1/45) zjm022243 2007-09-28 2007-09-28 19:44:18 by jfren
求助自蒸发器（闪蒸器）的直径计算公式？ 5 (0/121) fss706 2007-09-28 2007-09-28 17:51:04 by fss706
中文简历翻译成英文----已经完成，谢谢各位 (9/469) njyyy 2007-09-27 2007-09-28 17:38:53 by kaikaifeng
求救蒸馏温度 (9/524) tym736 2007-09-21 2007-09-28 17:33:00 by tym736
克劳森重排的注意事项 10 (5/239) stormlee 2007-09-26 2007-09-28 16:58:17 by stormlee
求石油大学（华东）化学工程与技术考研真题 (0/47) 你太有才了 2007-09-28 2007-09-28 16:44:29 by 你太有才了
求解实验现象 1 (金币≥2)(0/46) smile20060701 2007-09-28 2007-09-28 16:06:07 by smile20060701
感谢！wfgwfgwfg请进 8-)    ( 1 2 3 ) 40 (25/483) ichthyo 2007-09-17 2007-09-28 16:00:48 by xiaochi0
醛的反应活性 4 (3/99) honeyzhang 2007-09-28 2007-09-28 15:51:49 by successguo
求标准SY/T 5971 注水用粘土稳定剂性能评价方法(已解决) (金币≥2)(6/55) smile20060701 2007-09-27 2007-09-28 15:43:48 by smile20060701
晶体场（静电场）理论的英文名是什么 2 (5/153) zhongjun668 2007-09-27 2007-09-28 15:35:47 by shuimu_2003
有机合成中遇到问题！！！急盼解答！ (6/181) sinevil 2007-09-28 2007-09-28 14:49:11 by sinevil
HBr与水的膜分离 2 (2/81) 莫衡 2007-09-28 2007-09-28 13:46:06 by wanghaiping
用硅基质的吸附柱吸附提纯DNA问题 3 (1/130) 樱空飞雪 2007-09-28 2007-09-28 13:14:53 by clwyth
网络数据库的问题 3 (2/85) lsgan 2007-09-25 2007-09-28 12:59:27 by zzgyb
[关贴]请大家指教 (评阅-2) (3/109) bankgeng 2007-09-28 2007-09-28 11:03:18 by mooncakexzj
SiCp SiCw 中 p,w什么意思 (1/177) redhalk 2007-09-28 2007-09-28 10:56:24 by clwyth
纯化 (6/168) jiangshilei1984 2007-09-27 2007-09-28 10:23:14 by chemozhang
请教：高分子方面的问题 2 (1/98) whjqzh 2007-09-27 2007-09-28 10:13:21 by wanghaiping
求教大虾：TiO,Ti2O3和Ti3O5分别是什么颜色？ (6/2683) hommper 2007-09-26 2007-09-28 10:11:47 by hommper
请有合成carbide经验的虫子给几篇经典的transition metal carbide合成的文献 10 (0/72) photocatalysis 2007-09-28 2007-09-28 09:57:25 by photocatalysis
caracteristic这个词怎么翻译？ 1 (7/166) chuhua 2007-09-27 2007-09-28 09:39:15 by mahongyuan
求助：日语电子书书 30 (2/73) 于娟 2007-09-27 2007-09-28 08:53:27 by zhouyutian2006
[关贴]调研求助 2 (0/53) 北欧海盗 2007-09-28 2007-09-28 08:48:52 by 北欧海盗
如何打开扩展名为bin的文件？    ( 1 2 ) 1 (10/621) lkj1975 2007-09-26 2007-09-28 07:44:20 by lkj1975
cc-pv*z基组AO重叠积分不归一？ 3 (0/42) hanningr 2007-09-28 2007-09-28 02:12:29 by hanningr
（已解决）请教类似“美国专利”的词怎么翻译？    ( 1 2 ) 1 (11/357) grejia 2007-09-20 2007-09-27 23:13:14 by grejia
为什么我的移动硬盘总是没法停止?    ( 1 2 ) 1 (17/347) gwjuse 2007-09-15 2007-09-27 21:42:47 by wanty521
求几篇经典的transition metal carbide合成的文献（赠送5个金币） (4/100) photocatalysis 2007-09-26 2007-09-27 21:36:07 by yaxika
急求电子衍射方面的专家帮助 6 (2/106) shanshanai 2007-09-27 2007-09-27 21:21:39 by fuzp
急！！！有谁知道复旦大学附近有哪些化工商店啊 1 (1/146) mxmeok 2007-09-27 2007-09-27 20:55:07 by zzsskk
[其他问题] 已完成 20 (1/99) wangyanfei 2007-09-14 2007-09-27 20:50:57 by themaster
谁有絮凝实验效果的对比照片？ 2 (0/40) chuhua 2007-09-27 2007-09-27 20:47:54 by chuhua
请问各位有人做过PE-7 DTA 和 DSC 的矫正？ 8 (0/36) sunyajuan1998 2007-09-27 2007-09-27 20:30:31 by sunyajuan1998
求助如何做污泥的电镜观察 SEM 5 (1/85) xycheng 2007-09-27 2007-09-27 20:22:11 by maqin909
请高手帮忙翻译一个专业词汇，在线等    ( 1 2 ) (14/484) llykl 2007-05-17 2007-09-27 20:00:19 by chenxia20022002
求蛋白质α－螺旋结构与氨基酸顺序关系相关文献 10 (0/61) yuancans 2007-09-27 2007-09-27 19:49:08 by yuancans
[关贴]发金币，和我生日相关的楼层给好多金币！    ( 1 2 ) 31 (评阅-125) (12/577) lsr0530 2007-09-27 2007-09-27 19:29:07 by kaikaifeng
紧急求助 (9/254) dxw7610 2007-09-26 2007-09-27 19:27:15 by nucleus01
求一可用的中科大（研究生院）代理 30 (4/223) 大卫1980 2007-07-18 2007-09-27 18:59:07 by zxciccas
求教关于ELISA的问题！ 3 (0/67) rubylotus 2007-09-27 2007-09-27 18:20:03 by rubylotus
差feynman 50个金币，请到这来！ (5/116) magnolia24 2007-09-24 2007-09-27 17:37:13 by dengyx79
网上读书园地的邀请注册码 (4/222) jerreyb 2007-09-26 2007-09-27 15:36:52 by jinke
请高手们看一下这个反应，给提点建议．    ( 1 2 ) 10 (17/733) idea 2007-09-19 2007-09-27 15:06:40 by successguo
[关贴]请教一个问题 (评阅-2) (4/136) ppppite 2007-09-27 2007-09-27 14:47:06 by maxuedong
硅胶加热片 10 (2/82) 猫猫在路上 2007-09-27 2007-09-27 14:42:49 by 猫猫在路上
[关贴]求助:药理毒理文献应该怎样查 2 (评阅-21) (2/113) fuxiaopu01 2007-09-27 2007-09-27 14:36:04 by gudongyu
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